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KO2 is used in oxygen cylinders in space...

`KO_2` is used in oxygen cylinders in space and submarines because it

A

absorbs `CO_2` and increases `O_2` contant

B

eliminates moisture

C

absorbs `CO_2`

D

produce Ozone

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Verified by Experts

The correct Answer is:
A
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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. When sodium metal heated in dry ammonia, the compound formed is:

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  2. What types of ions are present in anhydrous mixture of KF and Hf ?

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  3. KO2 is used in oxygen cylinders in space and submarines because it

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  4. The hydroxide with least ksp value at room temperature is:

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  5. Which sulphate has the highest solubility in water ?

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  6. Which pairs represent isoelectronic species ?

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  7. Which of the following represents an alkaline earth metal on the basis...

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  8. The electronic configuration of calcium is represented as:

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  9. Which is the correct order of increasing basic strength ?

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  10. The decreasing order of IE2 values in K, Ca and Ba is:

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  11. The most electropositive among the following is:

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  12. Which of the following is present in chlorophyll ?

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  13. The compounds with maximum and least ionic characters among the follow...

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  14. The correct order of solubility of the sulphates of alkaline earth met...

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  15. Which imparts brick red colour to the flame ?

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  16. All the following substances react with water. The pair which gives th...

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  17. Which are involved in muscle contraction?

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  18. Which will liberate hydrogen on reacting with hydrochloric acid ?

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  19. To the clear solution of compound (X) a solution of barium chloride (B...

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  20. Which constitutes the enamel of our teeth ?

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